A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6685-01-118-2037
NSN 6145-01-005-4654
NSN 6610-01-140-5921
NSN 5950-00-227-6544
NSN 5915-00-558-4413
NSN 6650-01-517-1588
NSN 5835-01-626-9603
NSN 2925-01-308-4764
NSN 6150-00-226-1868
NSN 6620-00-803-2346
NSN 5945-00-832-9592
NSN 5998-01-451-4257